Gloria I. Dávila Pulido

Gloria I. Dávila Pulido
Autonomous University of Coahuila | UAdeC

Doctor of Engineering

About

9
Publications
1,156
Reads
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67
Citations
Citations since 2017
8 Research Items
67 Citations
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201720182019202020212022202305101520
201720182019202020212022202305101520

Publications

Publications (9)
Article
Full-text available
It is necessary to simulate the thermodynamics of the Te/TeO2-CN-H2O systems to interpret the dissolution behaviour of elemental tellurium and tellurium dioxide in alkaline cyanide solutions. Below are the data employed to simulate the equilibrium diagrams presented in the article entitled “Dissolution behaviour of elemental tellurium and tellurium...
Article
Full-text available
The use of untreated recycled water has negative effects in the flotation of zinc sulfide ores due to the presence of dissolved species, such as magnesium and calcium. Although it has been found that magnesium is a more potent depressant than calcium, it has not been investigated in this role or for the effect of adding sodium carbonate. The result...
Article
Elemental tellurium and tellurium dioxide are related to the hydrometallurgy of precious metal tellurides in two ways: (1) both species are products of precious metals tellurides cyanidation; and (2) tellurium dioxide is a by-product of the roasting of tellurides to produce metallic gold/silver prior to cyanidation. An investigation to elucidate th...
Article
Electronic waste (e‐waste) contains metallic values that can be recovered by hydrometallurgical methods. This investigation addresses the leaching kinetics of e‐waste for the recovery of copper in H2SO4‐H2O2 media with the objective of determining the rate‐controlling step in monosize particle systems. The results are then used to develop a kinetic...
Article
Full-text available
The sludge from a wet-off gas cleaning system of the iron blast furnace (BF) contains significant amounts of iron; however, they cannot be recycled due to their high content of zinc and alkalis. These compounds are detrimental to the optimal performance of iron and steelmaking furnaces. In this work, a comparative laboratory study to reduce zinc an...
Article
In the concentrators of a Mexican mining company has been observed that the pH of the flotation has a significant effect on the galena recovery: the increase of pH from 7.5 to 9.5 in the Pb/Cu flotation circuit, resulted in a decrease of about 10% of lead recovery. In the present investigation, experimental models and techniques were developed to s...
Article
This paper presents and discusses measurements performed to study the interaction mechanism of calcium and sulfate with galena and their effect on xanthate adsorption. The results of collector adsorption show that regardless of the solution pH (5.5, 7.5 and 9.5), the presence of calcium and sulfate during the mineral pre-conditioning, decreases the...
Article
A study of the electrochemical behavior of galena and the effect of the Ca²⁺ and SO4²⁻ species on the mineral behavior at different pH, was carried out using carbon paste electrodes. The Ca²⁺ and SO4²⁻ ions were used to simulate the species that are most concentrated in the recycled water of sulfide mineral flotation processes. By means of electroc...

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